?????????? ????????? - ??????????????? - /usr/include/boost/polygon/detail/iterator_points_to_compact.hpp
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/* Copyright 2008 Intel Corporation Use, modification and distribution are subject to the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt). */ #ifndef BOOST_POLYGON_ITERATOR_POINTS_TO_COMPACT_HPP #define BOOST_POLYGON_ITERATOR_POINTS_TO_COMPACT_HPP namespace boost { namespace polygon{ template <typename iT, typename point_type> class iterator_points_to_compact { private: iT iter_, iterEnd_; orientation_2d orient_; mutable typename point_traits<point_type>::coordinate_type coord_; public: typedef typename point_traits<point_type>::coordinate_type coordinate_type; typedef std::forward_iterator_tag iterator_category; typedef coordinate_type value_type; typedef std::ptrdiff_t difference_type; typedef const coordinate_type* pointer; //immutable typedef const coordinate_type& reference; //immutable inline iterator_points_to_compact() : iter_(), iterEnd_(), orient_(), coord_() {} inline iterator_points_to_compact(iT iter, iT iterEnd) : iter_(iter), iterEnd_(iterEnd), orient_(HORIZONTAL), coord_() {} inline iterator_points_to_compact(const iterator_points_to_compact& that) : iter_(that.iter_), iterEnd_(that.iterEnd_), orient_(that.orient_), coord_(that.coord_) {} //use bitwise copy and assign provided by the compiler inline iterator_points_to_compact& operator++() { //iT tmp = iter_; ++iter_; //iT tmp2 = iter_; orient_.turn_90(); //while(tmp2 != iterEnd_ && get(*tmp2, orient_) == get(*tmp, orient_)) { // iter_ = tmp2; // ++tmp2; //} return *this; } inline const iterator_points_to_compact operator++(int) { iT tmp(*this); ++(*this); return tmp; } inline bool operator==(const iterator_points_to_compact& that) const { return (iter_ == that.iter_); } inline bool operator!=(const iterator_points_to_compact& that) const { return (iter_ != that.iter_); } inline reference operator*() const { coord_ = get(*iter_, orient_); return coord_; } }; } } #endif
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